A breathalyzer is an device for measuring the breath alcohol content from an individual . breath alcohol content are often wont to accurately measure an individual’s blood alcohol content.
There is an immediate correlation between an individual’s breath alcohol contents and his blood alcohol concentration. During respiration, alcohol within the blood vaporizes and is administered of the lungs within the exhaled breath. There are several sorts of breath alcohol testers available today. These range from disposable screening testers to the equipment that gives legally admissible results.
Portable hand-held breathalyzers provide very accurate results and are used for screening purposes. By measuring the alcohol content within the breath, a reliable indication of the blood alcohol level is achieved. Portables alcohol testers are less accurate than evidential devices, however by comparing the value performance ratio, these devices are affordable and sufficient for private usage.